de·ci·sive /dɪˈsaɪsɪv/
 (a.)決定性的;明確的,果斷的


 De·ci·sive a.
 1. Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive. “A decisive, irrevocable doom.” --Bates. “Decisive campaign.” --Macaulay. “Decisive proof.”  --Hallam.
 2. Marked by promptness and decision.
    A noble instance of this attribute of the decisive character.   --J. Foster.
 Syn: -- Decided; positive; conclusive. See Decided.
 -- De*ci*sive*ly, adv. -- De*ci*sive*ness, n.

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 decisive
      adj 1: determining or having the power to determine an outcome;
             "cast the decisive vote"; "two factors had a decisive
             influence" [ant: indecisive]
      2: unmistakable; "had a decisive lead in the polls"
      3: characterized by decision and firmness; "an able an decisive
         young woman"; "we needed decisive leadership"; "she gave
         him a decisive answer" [ant: indecisive]
      4: forming or having the nature of a turning point or crisis;
         "a critical point in the campaign"; "the critical test"
         [syn: critical]